SPECIAL REPAIRS TO AC SHEETS AND EM WORK IN BUILDING NO 14 15 4 1 2 39 55 AND 304 AT DRDL HYDERABAD

Amount

Dismantling of asbestos cement (corrugated ,semi corrugated etc) sheets in roof covering including ridges ,north light roofing etc complete all as specified and directed.

Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet / trapezoidal steel sheet 0.50mm base metal thickness of any colour having tensile strength of 550 MPa as in roof covering/cladding to wall, fixed with self tapping screws and EPDM washers as specified, complete all as specified and directed.

Pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50mm base metal thickness of any colour having tensile strength of 550 MPa as in ridges /roof covering/cladding to wall, fixed with self tapping screws and EPDM washers as specified, complete all as specified and directed.

1.6 mm thick mild steel plain black sheet in water troughs ,gutters ,wall cladding , ducts etc cut to size profiles ,edges beaded if required ,holes punched including round headed screws ,clout nails or rivets and fixed to steel members etc with plain 40mm lap joints or welded /riveted seams including bending ,turning etc as required including taking down existing one complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed.

Mild steel work as in bands, straps, supports or stays for rainwater, ventilating pipes,including bolts, if required:hooks (stay), heavy, for large gates; hook and pintle hinges, large hasps and staples , chains ,hand made sliding bolts, clamps ,hold fasts,wall ties,hooks for hanging fans, plain angle cleats for securing purlins to wood trusses or rafters,knee piece inserts, two way and three way straps, plate washers and similar small articles conforming to Fe-290 Gde-E-165 complete all as specified and directed.

Mild steel work as in Hand rails, half round or other stock section or core for wooden hand-rail straight portion,drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. wind ties for roof including securing bolts , posts and struts in fencing including cutting tops to shape as directed.,drilling holes,notching for wire, etc.flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc.,and similar work conforming to Fe-290 Gde E-165complete all as specified and directed.

False ceiling with pre-coated standard GI angle ,Tee and grid suspended with 4mm dia GI wire at 600 mm centre to centre ,angle of size 25x25x0.7mm fixed around ,main Tee and cross Tee of section 38x25x0.7mm with soffits clips ,holding and level clips with Gypsum board ceiling tiles of size 600mmx 600mm(or nearest size) of 12 mm thick with white paper layer on face side as per manufacturer's instructions and applying two coats of acrylic emulsion distemper over a coat of primer including taking down existing ceiling boards with grid complete all as specified and directed. Make/Manufacturer : Indian Gypsum/ Saint Gobain

Demolition of brick or stone masonry, built in cement mortar including PCC in roof kerbs etc complete all as specified and directed.

Walling of random rubble uncoursed well bonded,bedded and solidly hearted built in cement mortar 1:6 complete all as specified and directed.

Taking down cement plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc., complete all as specified and directed.

Rendering 15mm thick in CM 1:6 on other than fair faces of brick work or concrete surfaces at any height and finishing the surface even and smooth with out using exta cement on internal walls complete all as specified and directed.

Rendering 15mm thick in CM 1:4 on fair faces of brick work or concrete surfaces at any height and finishing the surface even and smooth with out using exta cement on external walls complete all as specified and directed.

Complete removal of existing treatment from surfaces of walls by scrapping down smoke soot, moulds, moss and efflorescent salts and trading oil and greasy spots with wire brushes and removing existing loose particles etc., and applying two coats of acrylic emulsion distemper over a coat of alkali resistant primer over two coats of internal grade wall care putty ( total thickness shall not be less than 1.50mm), finished even and smooth, complete all as specified and directed.

Preparation of new plastered surfaces of walls and applying two coats of acrylic emulsion distemper over a coat of alkali resistant primer over two coats of internal grade wall care putty ( total thickness shall not be less than 1.50mm), finished even and smooth complete all as specified and directed.

Preparation of new plastered surfaces of walls and applying two coats of weather-proof exterior emulsion paint over a coat of primer and over two coats of exnternal grade wall care putty ( total thickness shall not be less than 1.50mm), finished even and smooth, complete all as specified and directed

Complete removal of existing treatment from external surfaces of walls /ceiling and applying two coats of weather-proof exterior emulsion paint over a coat of primer and over two coats of external grade wall care putty ( total thickness shall not be less than 1.50mm), finished even and smooth, complete all as specified and directed

Preparation of new or previously untreated steel and iron surfaces of any description, not otherwise described, over 10cm width or girth and applying two coat of synthetic enamel paint over a coat of red oxide/ zinc chrome primer, complete all as specified and directed.

Preparation of old painted steel and iron surfaces of any description, not otherwise described, over 10cm width or girth and applying two coat of synthetic enamel paint complete all as specified and directed.

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings heads, shoes, bends, swan-necks etc.(measured overall as fixed along the centre line over fittings and accessories) complete all as specified and directed.

160mm bore UPVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls with and including provision of suitable size of PVC clamps complete all as specified and directed.

160mm bore UPVC (SWR) bends/shoe any radius with and including provision of suitable size of PVC clamps complete all as specified and directed.

Plain cement concrete 1:2:4 type B0 using 12.5mm graded stone aggregate as in benching ,roof kerbs and including necessary formwork as required and including demolition of old concrete complete all as specified and directed.

Taking down old unserviceable copper / aluminium point wiring (light, fan, socket or power) complete, including fixture and fittings such as switches, ceiling roses, pendants, regulators, sockets, light fitting etc. removing materials and making good disturbed surfaces of walls, floors, etc, complete all as specified and directed.

Point wiring complete with 1.5 sq.mm PVC insulated unsheathed multi-stranded FRLS copper conductor 1100 V grade drawn through and including 20mm dia PVC conduit, medium grade, and conduit accessories, on surface of walls and terminated to and including provision of PVC modular gang box ISI marked on the surface of walls suitable for modular switches, sockets etc., and including modular white plates for fixing modular switches, sockets / regulators etc., including 1.5sq.mm PVC insulated unsheathed multi-stranded FRLS copper conductor cable as earth continuity conductor and connecting to common earth dolly with brass screws, washers, copper lugs etc., complete all as specified and directed for one light / fan point /bell point controlled by one, one-way switch 5 Amp. NOTE: (i) The quoted rate shall deemed to include the cost of PVC boxes, modular white cover plate, provision of blank plates as per requirement etc.

All as per item No.25 above but for 5 Amps socket on independent board

All as per item No.25 above but for 5 Amps socket on same board

Point wiring complete with 2.5 sq.mm PVC insulated unsheathed multi-stranded FRLS copper conductor 1100 Volts grade, ISI marked, drawn through in and including 20mm dia rigid PVC conduit medium grade and conduit accessories, on surface of walls, roofs, floors etc, by means of saddles and clips etc, including provision of modular PVC gang box ISI marked on the surface of walls and white cover for housing switches, sockets, regulators etc., including 2.5sq.mm PVC insulated unsheathed multi-stranded FRLS copper conductor cable as earth continuity conductor and connecting to common earth dolly, complete all as specified and directed for 3-pin 15/16 Amp socket outlet point on independent board, complete all as specified and directed. NOTE: (i) The quoted rate shall deemed to include the cost of PVC boxes, modular white cover plate, provision of blank plates as per requirement etc.

Modular Switch single pole 6 Amps, one way, 1 module complete all as specified and directed.

Modular Switch single pole 16 Amps, one way, 1 module complete all as specified and directed.

Modular Socket 6 Amps multipurpose 2 in 1 ,2/3 combined 2 module complete all as specified and directed.

Modular Socket 6/16Amps multipurpose 2 in 1 ,2/3 combined 2 module complete all as specified and directed.

Ceiling rose three terminal surface poly carbonated isolated body AC 50 Hz 230V, complete all as specified and directed.

Modular step type fan regulator, 2 Module 230Volts ,120 watt complete all as specified and directed.

High bay 150W LED light fittings IP 54 protected luminaries robust open type vertical Highbay /Mediumbay LED IP 54 luminaire with high power COB LED as light source of luminous efficiancy not less than 120lm/w colour temp 5700K including fixing to the ceiling using necessary fastener /hook for hanging the lights and connecting with three core 2.5 Sqmm round copper cable from ceiling rose to the connector of the fitting complete all as specified and directed. Make: Havells Cat Part No.ENDURAHIBRITEPLUSHBP150WLED765P90DTOLENS or techno commericially equivalent of Philips /Wipro/Crompton Note: The LM-71,80 test certificates of the fittings to be submitted in prior to the approval .

Security light fitting 20W , IP 65 protection 5700K color temp ,made up of die cast alluminium housing with high power LED as lighting source and lens embeded PC lens complete fixing with GI bracket made out of 40mm bore GI pipe light grade 1.5 Metre long bend to shape and fixed to pole /wall with necessary MS clamps & accessories complete all as specified and directed. Make: Havells Cat Part No.ENDURAPEARLS20WLED757SASYTOPC or techno commericially equivalent of Philips /Wipro/Crompton Note: The LM-71,80 test certificates of the fittings to be submitted in prior to the approval .

1x20W ,230V surface and wall mounted LED batten single side connection T8 luminaires along with one 20Watt 6500 K CCT professional /industrial type LED T8 polycarbonate tube single side connection and including connecting up with twin core PVC flexible copper conductor cable from ceiling rose complete all as specified and directed. Make for batten :Havells Car Part No.REGALBATTENT8UPTO1X22WSSBSWH & Make for Tube: Havells Cat Part No. TITANIANEO1213T8SSTL20WLED865SPC or techno commericially equivalent of Philips /Wipro/Crompton Note: The LM-71,80 test certificates of the fittings to be submitted in prior to the approval .

Recess mounting 36W LED edge-lit luminaire suitable for armstrong /grid ceiling complete for low ceiling application housing made with CRCA sheet metal with premium white high translucent frosted wide diffuser of size 2'x2' ,luminaire efficacy > 120lm/w provided with surge supressor electronic driver complete with all accessories including electronic driver suitable for the ceiling light connecting with twin core felxible cable complete all as specified and directed. Make : Havells Cat Part No. ENDURASLIMPROPLUS2X2PLR28/36LED857MOD or techno commericially equivalent of Philips /Wipro/Crompton Note: The LM-71,80 test certificates of the fittings to be submitted in prior to the approval .

Sub main wiring complete with 4 runs of single core 6 sq.mm PVC insulated and unsheathed 1100V grade multistranded FRLS grade copper conductor cable drawn through and including provision of non-metallic rigid PVC conduit 25mm dia and its accessories on the surface of walls and connecting terminal ends to DB's including providing 2 runs of single core 6 sq.mm PVC insulated unsheathed multistranded FRLS grade copper cable as earth continuity conductor and connecting to common earth dolly, including taking down old sub main wiring of any type and any size and making good disturbed surfaces to match with existing, complete all as specified and directed. NOTE:- (i) Four runs of 6 sq.mm copper conductor, Two runs of 6.0 sq.mm copper earth continuity conductor and one run of PVC conduit shall be measured as one unit length. (ii) The rate quoted per unit shall be deemed to be inclusive of the extra length of cable /wire required for connection to MCCBs .

Sub main wiring complete with 2 runs of single core 4 sq.mm PVC insulated and unsheathed 1100V grade multistranded FRLS grade copper conductor cable drawn through and including provision of non-metallic rigid PVC conduit 20mm dia and its accessories and connecting terminal ends to DB's including providing 1 run of single core 4 sq.mm PVC insulated unsheathed multistranded FRLS grade copper cable as earth continuity conductor and connecting to common earth dolly, including taking down old sub main wiring of any type and any size and making good disturbed surfaces to match with existing, complete all as specified and directed. NOTE:- (i) Two runs of 4 sq.mm copper conductor, One run of 4.0 sq.mm copper earth continuity conductor and one run of PVC conduit shall be measured as one unit length. (ii) The rate quoted per unit shall be deemed to be inclusive of the extra length of cable /wire required for connection to MCCBs .

Sheet metal enclosure single pole and neutral with a two pin and earth plug and socket complete with one MCB single pole 20Amps 240 volts complete with all accessories etc complete all as specified and directed.

Factory made epoxy powder coated MCB distribution board TP&N 8 way double door (VTPN MCCB DB)MCCB TPN as in comer ,with metal door IP -43 protection ,IK -09 as per IEC -61439-3 fabricated from CRCA sheet and fixed semi flush to wall and suitable for universal mounting and 200 Amps copper bus bar ,neutral bar ,standard DIN rail ,earth bar and cable ties for cable management ,top and bottom removable gland plates woth Knockout semi flush to wall and making good distrubed surfaces and touch up with the same finishes complete all as specified and directed. Note: All incomimg /out going MCCB/MCBs shall be measured and paid under appropriate item .

MCB DB TPN double door 6-way sheet metal enclosure factory made suitable for MCBs 240volts confirming to IEC -61439-3 with 200 amps rated busbar ,neutral & earthing link bar ,surface mounting and making good distrubed surfaces complete all as specified and directed. Note: All MCBs shall be measured and paid under appropriate item .

MCB DB SPN double door 8-way sheet metal enclosure factory made suitable for MCBs 240volts confirming to IEC -61439-3 with 100 amps rated busbar ,neutral & earthing link bar ,surface /semi-flush mounting as per the type of wall and making good distrubed surfaces complete all as specified and directed. Note: All MCBs shall be measured and paid under appropriate item .

Sheet metal enclosure suitable for MCCB 4pole 100 Amps ,25KA including growing with nut bolts ,making connection with existing cables complete with lugs ,glands complete all as specified and directed.

MCCB with rating( min 70% to 100%) of 100 Amps ,415 Volts 4 pole with 25 KA ultimate breaking capacity , fixed thermal magnetic over load and short circuit release confirming to IS-139472& IEC-60947-2 & the service short circuit breaking capacity (Ics) shall be equal to ultimate breaking capacity ( Icu) ,MCCB shall be with suitable spreaders and phase barriers for each terminals complete all as specifeid and directed.

MCB FP 63 Amps, 'C'curve, working on 415V ,50Hz, 10KA breaking capacity including removing of unserviceable MCB complete all as specifeid and directed.

MCB DP 40 Amps, 'C'curve, working on 240V ,50Hz, 10KA breaking capacity including removing of unserviceable MCB complete all as specifeid and directed.

MCB SP 6- 32 Amps, 'C'curve, working on 240V ,50Hz, 10KA breaking capacity complete all as specifeid and directed.

Taking down ceiling/exhaust/wall mounted/pedestal fans/ air circulators of any sweep of any make with down rods, blades canopy etc by disconnecting the electric connections, removing worn out bearings, capacitor, bushes and over hauling/painting including replacement of minor parts like split pins, nuts, screws, washers etc and other worn out spare parts as required, greasing, reassembling and reconnecting with 3 core new flexible cord from ceiling rose to fan, testing and commission complete all as specified and directed.

Disconnecting and taking down indoor and outdoor units of split / window AC of any make and capacity upto 2Ton with stabilizer from the existing position ,servicing the indoor and out door unit complete carefully without damage any other parts ,top up of refrigerant gas as per existing type , if necessary and securing the copper pipes with suitable new foam heat insulation tubes and refixing the same after renovation of building complete all as specified and directed.

Earthing complete with GI earth plate electrode 600mm x 600mm x 6.0mm thick buried directly in ground vertically to a depth of not less than 2.25m deep below ground level with the top edge of earth plate at a depth of not less than 1.5m below ground level connected to GI earth wire 4mm dia by means of bolts, nuts, washers of galvanised iron or steel, GI earth wire shall be protected by 15mm dia GI pipe 'light grade', GI watering pipe 20mm dia GI pipe 'medium grade', GI wire meshed funnel, alternate layer of charcoal and salt on all side to earth plate upto a thickness of 150mm, filling of soil in earth pit upto GL and connected to earth plate including necessary excavation & earthwork, PCC (1:3:6) type C-1 earth chamber, 50mm thick RCC cover (1:2:4) mix as in cover slab with 8mm dia TMT bars as in reinforcement @ 150mm c/c both ways etc complete all as shown in electrical plate No.3 connected to earthing test point, including testing on completion, complete all as speciifed and as directed. NOTE:-1 Rate quoted shall deemed to include cost of excavation in any type of strata, RFR and removal upto 50metre, PCC chamber , funnel and RCC cover plate.

GI earth wire of 4mm dia fixed on walls /floor as earth lead continuity conductor connected to DBs /panels etc complete all as specified and directed.

LT UG cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with stranded aluminium conductor, LT 1100 volts grade, ISI mark as per IS-7098 (Part -1) -1985, cross-sectional area 35 sq.mm 3.50core, laid in trenches / on poles / walls including fixing arrangements (GI saddles with screw) connecting with aluminium lugs ,necessary cable glands , connecting up, testing on completion and commissioning, and including removing old unserviceable cable complete all as specified and directed.

Anjana corporation

M/S GDR CONSTRUCTIONS

saradhi construction combines

MRK CONSTRUCTIONS

kb technologies

N Harikrishna Rao and co

venkateshwara infra